“Mr. Bannister flagged down a taxi, placed the stranger’s luggage in the trunk and, for his efforts, received a $1.50 tip. He was promptly arrested at the scene — charged, improbably, with the unlawful hailing of a taxicab. Mr. Bannister had fallen afoul of a little-known New York City traffic rule that prohibits anyone from procuring a taxi unprompted for another person “not in his or her social company.”
— Unsolicited Taxi Hailing Can Lead to Summons, Per Obscure Rule - NYTimes.com
